添加项目文件。

Entities/DTO/UserForRegistrationDto.cs

@@ -0,0 +1,51 @@
+using Entities.Contracts;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Entities.DTO
+{
+	public class UserForRegistrationDto
+	{
+		[Required(ErrorMessage = "姓名是必填项。")]
+		[StringLength(50, MinimumLength = 2, ErrorMessage = "姓名长度必须在 2 到 50 个字符之间。")]
+		public string Name { get; set; }
+
+		[Required(ErrorMessage = "电子邮件是必填项。")]
+		[EmailAddress(ErrorMessage = "电子邮件格式不正确。")] // 添加 Email 格式验证
+		public string Email { get; set; }
+
+		[Required(ErrorMessage = "密码是必填项。")]
+		[StringLength(100, MinimumLength = 6, ErrorMessage = "密码长度至少为 6 个字符。")] // 确保长度验证
+		[RegularExpression(@"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&.])[A-Za-z\d@$!%*?&.]{6,}$",
+		 ErrorMessage = "密码必须包含至少一个大写字母、一个小写字母、一个数字和一个特殊字符。特殊字符包含 @$!%*?&. ")]
+		public string Password { get; set; }
+
+		[Compare(nameof(Password), ErrorMessage = "密码和确认密码不匹配。")]
+		[Required(ErrorMessage = "确认密码是必填项。")] // 确保确认密码也必须填写
+		public string ConfirmPassword { get; set; }
+
+		[Required(ErrorMessage = "至少选择一个角色。")]
+		public UserRoles Roles { get; set; } = UserRoles.Student; // 根据你当前的 MudRadioGroup 设定，这里是单选
+
+		[Required(ErrorMessage = "班级是必填项。")]
+		[Range(1, 14, ErrorMessage = "班级编号必须在 1 到 14 之间。")] // 班级范围已调整为 1-14
+		public int Class { get; set; } = 1;
+
+		[Required(ErrorMessage = "年级是必填项。")]
+		[Range(1, 6, ErrorMessage = "年级编号必须在 1 到 6 之间。")] // 年级范围已调整为 1-6
+		public int Grade { get; set; } = 1;
+
+		[Phone(ErrorMessage = "电话号码格式不正确。")]
+		[StringLength(11, MinimumLength = 11, ErrorMessage = "电话号码必须是 11 位数字。")] // 电话号码长度已调整为固定 11 位
+		public string PhoneNumber { get; set; }
+
+		[StringLength(200, ErrorMessage = "家庭住址不能超过 200 个字符。")]
+		public string HomeAddress { get; set; }
+
+		public string ClientURI { get; set; }	
+	}
+}